This is an excellent video (below) on climate change.
Greenland isn't very "green" these days, is it? It used to be about 1,000 years ago when Vikings settled there. A few hundred years later, however, they were run out by the freezing temperatures. Could it be that we're now warming again, to the way things were 1,000 years ago (when there were no SUVs)?
The video also discusses climate change in England when the Thames River froze (I lived in England for three years in the late 1980s--it seldom gets really gold there). This time is known as the "Little Ice Age."
These climate cycles go all the way back to around 200 BC, when there was a arming period to around 600 AD. Then there was a cooling period until about 900 AD. Then warming until around 1300 AD. Then the Little Ice Age until 1850 AD. Things have been warming since then (there were no SUVs or power plants in 1850 either).
The most likely culprit for these changes in temperature: the sun. Imagine that: the 870,000 mile in diameter, 27 million degree Fahrenheit star in the middle of our solar system with a mass of 332,946 Earths may actually be warming our planet!
Unstoppable Solar Cycles: The Real Story of Greenland.
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Saturday, May 31, 2008
Climate Change and Solar Cycles
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